• Ronstan Series 25 Utility Block - Single - Swivel Shackle Head
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Ronstan

Ronstan Series 25 Utility Block - Single - Swivel Shackle Head

Ronstan Series 25 Utility Block - Single - Swivel Shackle Head

OM-RONSTAN-SERIES25UTILIT-RF573

$26.23
$26.23
FREE Standard Shipping On every U.S. order — no minimum. Faster delivery options are available at checkout for qualifying orders.

Low stock: 1 left
Free standard shipping · every U.S. order, no minimum
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Genuine product · full manufacturer warranty
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Overview

Keep dinghy control lines running through the Ronstan Series 25 single utility block with swivel shackle head. It suits vang, cunningham and trapeze retriever systems, as well as leech line tackles and bunk adjusters on larger boats.

Key features

  • Lightweight construction adds just 20g to the setup.
  • UV-stabilized acetal sheaves and stainless steel cheeks offer durability with little maintenance.
  • Hollow head rivets accept shackles, allowing a becket to be added for extra purchase.

Specifications

  • Configuration: Single block with swivel shackle head
  • Sheave diameter: 25mm (1 inch)
  • Maximum rope diameter: 6mm (1/4 inch)
  • Pin diameter: 4mm (5/32 inch)
  • Maximum working load: 150kg (330lbs)
  • Breaking load: 300kg (660lbs)
  • Weight: 20g (0.7oz)
  • Sheave material: UV-stabilized acetal
  • Cheek material: Grade 316 stainless steel

Specifications

BrandRonstan
Manufacturer part #RF573
UPC9316800003877
Boxed dimensions3 x 2 x 1 in
Shipping weight0.1 lb
Country of originINDONESIA

Shipping & returns

Free standard shipping

Standard shipping is free on every U.S. order — no minimum. Need it faster? Faster delivery options are available at checkout for qualifying orders. In-stock orders ship quickly with tracking; oversized and freight items may ship separately and can take a little longer. International rates are calculated at checkout.

30-day returns

Request a return within 30 days of delivery. Authorized returns are subject to a 15% restocking fee. Return shipping is paid by the buyer; items must be new and in original packaging. See our refund policy.

Genuine products

We source from authorized U.S. distributors. Every product is new, genuine and covered by the manufacturer warranty.

Genuine products

Genuine products, full warranty.

Fast, tracked shipping

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